Possibility to set tracking parameters from the command line

Author: iouribelikov

Detectors/ITSMFT/ITS/reconstruction/CMakeLists.txt

@@ -11,16 +11,17 @@
 
 o2_add_library(
   ITSReconstruction
-  SOURCES src/ClustererTask.cxx src/CookedTracker.cxx src/RecoGeomHelper.cxx
-          src/FastMultEstConfig.cxx src/FastMultEst.cxx
+  SOURCES src/ClustererTask.cxx src/CookedTracker.cxx src/CookedConfigParam.cxx
+          src/RecoGeomHelper.cxx src/FastMultEstConfig.cxx src/FastMultEst.cxx
   PUBLIC_LINK_LIBRARIES O2::ITSBase O2::ITSMFTReconstruction O2::DataFormatsITS
                         O2::CommonUtils)
 
 o2_target_root_dictionary(
   ITSReconstruction
   HEADERS include/ITSReconstruction/ClustererTask.h
           include/ITSReconstruction/CookedTracker.h
+          include/ITSReconstruction/CookedConfigParam.h
           include/ITSReconstruction/RecoGeomHelper.h
           include/ITSReconstruction/FastMultEst.h
           include/ITSReconstruction/FastMultEstConfig.h
-          )
+  LINKDEF src/CookedTrackerLinkDef.h)

Detectors/ITSMFT/ITS/reconstruction/include/ITSReconstruction/CookedConfigParam.h

@@ -0,0 +1,42 @@
+// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
+// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
+// All rights not expressly granted are reserved.
+//
+// This software is distributed under the terms of the GNU General Public
+// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
+//
+// In applying this license CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+
+#ifndef ALICEO2_COOKEDTRACKINGPARAM_H_
+#define ALICEO2_COOKEDTRACKINGPARAM_H_
+
+#include "CommonUtils/ConfigurableParamHelper.h"
+
+namespace o2
+{
+namespace its
+{
+
+struct CookedConfigParam : public o2::conf::ConfigurableParamHelper<CookedConfigParam> {
+  // seed "windows" in z and phi: makeSeeds
+  float zWin = 0.33;
+  float minPt = 0.05;
+  // Maximal accepted impact parameters for the seeds
+  float maxDCAxy = 3.;
+  float maxDCAz = 3.;
+  // Space-point resolution
+  float sigma = 0.0005;
+  // Tracking "road" from layer to layer
+  float roadY = 0.2;
+  float roadZ = 0.3;
+  // Minimal number of attached clusters
+  int minNumberOfClusters = 4;
+
+  O2ParamDef(CookedConfigParam, "ITSCookedTracker");
+};
+
+} // namespace its
+} // namespace o2
+#endif

Detectors/ITSMFT/ITS/reconstruction/include/ITSReconstruction/CookedTracker.h

@@ -29,6 +29,7 @@
 #include "DataFormatsITS/TrackITS.h"
 #include "DataFormatsITSMFT/ROFRecord.h"
 #include "ReconstructionDataFormats/Vertex.h"
+#include "ITSReconstruction/CookedConfigParam.h"
 
 using Point3Df = o2::math_utils::Point3D<float>;
 
@@ -59,6 +60,20 @@ class CookedTracker
   CookedTracker& operator=(const CookedTracker& tr) = delete;
   ~CookedTracker() = default;
 
+  void setConfigParams()
+  {
+    const auto& par = CookedConfigParam::Instance();
+    LOG(INFO) << " Setting configurable parameters...";
+
+    gzWin = par.zWin;
+    gminPt = par.minPt;
+    gmaxDCAxy = par.maxDCAxy;
+    gmaxDCAz = par.maxDCAz;
+    gSigma2 = par.sigma * par.sigma;
+    gRoadY = par.roadY;
+    gRoadZ = par.roadZ;
+    gminNumberOfClusters = par.minNumberOfClusters;
+  }
   void setParameters(const std::vector<float>& par)
   {
     gzWin = par[0];
@@ -68,7 +83,7 @@ class CookedTracker
     gSeedingLayer1 = par[5];
     gSeedingLayer2 = par[6];
     gSeedingLayer3 = par[7];
-    gSigma2 = par[8];
+    gSigma2 = par[8] * par[8];
     gmaxChi2PerCluster = par[9];
     gmaxChi2PerTrack = par[10];
     gRoadY = par[11];

Detectors/ITSMFT/ITS/reconstruction/src/CookedConfigParam.cxx

@@ -0,0 +1,22 @@
+// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
+// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
+// All rights not expressly granted are reserved.
+//
+// This software is distributed under the terms of the GNU General Public
+// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
+//
+// In applying this license CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+
+#include "ITSReconstruction/CookedConfigParam.h"
+
+namespace o2
+{
+namespace its
+{
+static auto& sITSCookedTrackerParam = o2::its::CookedConfigParam::Instance();
+
+O2ParamImpl(o2::its::CookedConfigParam);
+} // namespace its
+} // namespace o2

Detectors/ITSMFT/ITS/reconstruction/src/CookedTrackerLinkDef.h

@@ -0,0 +1,26 @@
+// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
+// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
+// All rights not expressly granted are reserved.
+//
+// This software is distributed under the terms of the GNU General Public
+// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
+//
+// In applying this license CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+
+#ifdef __CLING__
+
+#pragma link off all globals;
+#pragma link off all classes;
+#pragma link off all functions;
+
+#pragma link C++ class o2::its::ClustererTask + ;
+#pragma link C++ class o2::its::CookedTracker + ;
+#pragma link C++ class o2::its::CookedConfigParam + ;
+#pragma link C++ class o2::conf::ConfigurableParamHelper < o2::its::CookedConfigParam> + ;
+#pragma link C++ class o2::its::RecoGeomHelper + ;
+#pragma link C++ class o2::its::FastMultEst + ;
+#pragma link C++ class o2::its::FastMultEstConfig + ;
+
+#endif

Detectors/ITSMFT/ITS/workflow/src/CookedTrackerSpec.cxx

@@ -81,6 +81,8 @@ void CookedTrackerDPL::init(InitContext& ic)
                                                    o2::math_utils::TransformType::T2G));
     mTracker.setGeometry(geom);
 
+    mTracker.setConfigParams();
+
     double origD[3] = {0., 0., 0.};
     mTracker.setBz(field->getBz(origD));